Cancer, as a significant global health challenge, poses numerous difficulties for those affected. Self-advocacy, which refers to an individual’s capacity and desire to articulate their preferences and needs when confronted with disease-related obstacles, is crucial in enhancing their quality of life. Given the absence of a validated instrument for assessing self-advocacy in the Iranian patient population with cancer, this protocol aims to describe the psychometric properties of the Self-Advocacy in Cancer Survivorship (SACS) Scale in Persian among Iranian patients with cancer.

In this methodological study, the SACS Scale will be translated into Persian following the WHO guidelines. Subsequently, the scale’s validity, including face validity, content validity, construct validity (confirmatory factor analysis, exploratory factor analysis and convergent validity) and reliability (internal consistency and test–retest reliability), will be evaluated using SPSS V.24 and Amos V.24 software, along with appropriate statistical tests. Study participants will be patients with cancer in Ardabil, selected through convenience sampling.

This study, forming part of a master’s thesis, received ethical approval from the research ethics board of Ardebil University of Medical Sciences (IR.ARUMS.REC.1403.227, 7 October 2024). The findings will be disseminated at local, national and international levels.